/*
 * Copyright 2013-present the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.cloud.netflix.eureka.server;

import com.netflix.appinfo.ApplicationInfoManager;
import com.netflix.discovery.EurekaClientConfig;
import com.netflix.eureka.EurekaServerConfig;
import com.netflix.eureka.cluster.PeerEurekaNode;
import com.netflix.eureka.cluster.PeerEurekaNodes;
import com.netflix.eureka.registry.PeerAwareInstanceRegistry;
import com.netflix.eureka.resources.ServerCodecs;
import org.junit.jupiter.api.Test;
import org.mockito.Mockito;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import static org.assertj.core.api.Assertions.assertThat;

@SpringBootTest(classes = EurekaCustomPeerNodesTests.Application.class,
		webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT, value = { "spring.application.name=eureka",
				"server.contextPath=/context", "management.security.enabled=false" })
class EurekaCustomPeerNodesTests {

	@Autowired
	private PeerEurekaNodes peerEurekaNodes;

	@Test
	void testCustomPeerNodesShouldTakePrecedenceOverDefault() {
		assertThat(peerEurekaNodes instanceof CustomEurekaPeerNodes)
			.as("PeerEurekaNodes should be the user created one")
			.isTrue();
	}

	@Configuration(proxyBeanMethods = false)
	@EnableAutoConfiguration
	@EnableEurekaServer
	protected static class Application {

		@Bean
		public PeerEurekaNodes myPeerEurekaNodes(PeerAwareInstanceRegistry registry,
				EurekaServerConfig eurekaServerConfig, EurekaClientConfig eurekaClientConfig, ServerCodecs serverCodecs,
				ApplicationInfoManager applicationInfoManager) {
			return new CustomEurekaPeerNodes(registry, eurekaServerConfig, eurekaClientConfig, serverCodecs,
					applicationInfoManager);
		}

	}

	private static class CustomEurekaPeerNodes extends PeerEurekaNodes {

		CustomEurekaPeerNodes(PeerAwareInstanceRegistry registry, EurekaServerConfig serverConfig,
				EurekaClientConfig clientConfig, ServerCodecs serverCodecs,
				ApplicationInfoManager applicationInfoManager) {
			super(registry, serverConfig, clientConfig, serverCodecs, applicationInfoManager);
		}

		@Override
		protected PeerEurekaNode createPeerEurekaNode(String peerEurekaNodeUrl) {
			return Mockito.mock(PeerEurekaNode.class);
		}

	}

}
